Hi Robert -- I'm adding code to osgOQ to clean up query IDs, and ran into a small snag. GraphicsContext::close() has hardcoded several static function calls to delete OpenGL objects, such as Drawable::flushAllDeletedDisplayLists. Doesn't this design somewhat prohibit NodeKits from deleting OpenGL objects that aren't supported in core OSG -- such as query IDs? The "correct" way for me to add clean up code to my osgOQ NodeKit would be to add a dependency from osg::GraphicsContext onto osgOQ, which is not allowed, of course. Not sure how to proceed. Perhaps I'll just add the correct code to my NodeKit, and note that it won't get properly executed until osgOQ is integrated into core OSG. Let me know if you have other ideas, I appreciate your advice. Paul Martz Skew Matrix Software LLC http://www.skew-matrix.com <http://www.skew-matrix.com/> 303 859 9466
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